Surname: Yrsch-Pienzenau | Name index 4 people Elisabeth Adelheid Marie, countess of Yrsch-Pienzenau * 1878 Ludwig, count of Yrsch-Pienzenau * 1842 Sigmund Carl August, count of Yrsch-Pienzenau * 1808 Sophie Amalie, countess of Yrsch-Pienzenau * 1805 Surname